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Multiply 9/28 with 21/90

This multiplication involving fractions can also be rephrased as "What is 9/28 of 21/90?"

9/28 × 21/90 is 3/40.

Steps for multiplying fractions

  1. Simply multiply the numerators and denominators separately:
  2. 9/28 × 21/90 = 9 × 21/28 × 90 = 189/2520
  3. After reducing the fraction, the answer is 3/40

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